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Finding the Fourth Proportional to 11,835.68, 17,762.68 and 4,446.86

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Solution

The fourth proportional to 11,835.68, 17,762.68 and 4,446.86 is: 6,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.68 : 17,762.68 = 4,446.86 : x
  2. Step 2: Convert to fraction form
    11,835.68/17,762.68 = 4,446.86/x
  3. Step 3: Cross multiply
    11,835.68x = 17,762.68 × 4,446.86
  4. Step 4: Simplify right side
    11,835.68x = 78,988,151.18
  5. Step 5: Solve for x
    x = 78,988,151.18/11,835.68
  6. Step 6: Final answer
    x = 6,673.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.